Mesa (master): gallivm: added comment
Brian Paul
brianp at kemper.freedesktop.org
Wed Jul 21 16:19:54 UTC 2010
Module: Mesa
Branch: master
Commit: 890976e02d9b75c0814493901ffddb64092ea548
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=890976e02d9b75c0814493901ffddb64092ea548
Author: Brian Paul <brianp at vmware.com>
Date: Wed Jul 21 09:17:47 2010 -0600
gallivm: added comment
---
src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 670c974..05f6352 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -481,6 +481,12 @@ emit_fetch(
}
if (reg->Register.Indirect) {
+ /*
+ * Compute addr_vec: a vector of offsets into the register file
+ * from which we need to gather elements. Recall that the ADDR
+ * register's elements can all be different.
+ */
+
LLVMTypeRef int_vec_type = lp_build_int_vec_type(bld->base.type);
unsigned swizzle = tgsi_util_get_src_register_swizzle( ®->Indirect, chan_index );
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